Foldable headphone



FIG. 1 is a Front elevational view of a foldable headphone showing mynew design;

FIG. 2 is a Rear elevational view thereof;

FIG. 3 is a Left side view thereof;

FIG. 4 is a Right side view thereof;

FIG. 5 is a Top plan view thereof;

FIG. 6 is a Bottom plan view thereof;

FIG. 7 is a Perspective view thereof;

FIG. 8 is a Rear elevational (folded state) view thereof; and,

FIG. 9 is a Perspective (folded state) view thereof.

The broken lines depict environment that forms no part of the claimeddesign.

CLAIM The ornamental design for a foldable headphone, as shown anddescribed.